Massage ball



FIG. 1 is a front, right, and top perspective view of a massage ball, showing our design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarged view of detail 9 in FIG. 1 .

FIG. 10 is an enlarged view of detail 10 in FIG. 2 .

FIG. 11 is an exploded front, right, and top perspective view of the massage ball; and,

FIG. 12 is another exploded front, right, and top perspective view of the massage ball.

The broken lines depict portions of the massage ball that form no part of the claimed design.

The dot-dash broken lines in FIGS. 1, 2, 9 and 10 depict the boundaries of the enlargements that form no part of the claimed design. 

CLAIM The ornamental design for a massage ball, as shown and described. 